diff --git a/scripts/unicode.py b/scripts/unicode.py
index 9f757eb..ac8c257 100755
--- a/scripts/unicode.py
+++ b/scripts/unicode.py
@@ -307,9 +307,9 @@ class WidthState(enum.IntEnum):
     "(\\uE0061..=\\uE007A){6} \\uE007F \\u200D `Emoji_Presentation`"
 
     # Kirat Rai
-    KIRAT_RAI_VOWEL_SIGN_E = 0b0000_0000_0010_0000
+    KIRAT_RAI_VOWEL_SIGN_E = 0b0011_1100_0010_0000
     "\\u16D67 (\\u16D67 \\u16D67)+ and canonical equivalents"
-    KIRAT_RAI_VOWEL_SIGN_AI = 0b0000_0000_0010_0001
+    KIRAT_RAI_VOWEL_SIGN_AI = 0b0011_1100_0010_0001
     "(\\u16D68)+ and canonical equivalents"
 
     # VARIATION SELECTORS
diff --git a/src/gen/width_info.rs b/src/gen/width_info.rs
index fa750a3..d83514b 100644
--- a/src/gen/width_info.rs
+++ b/src/gen/width_info.rs
@@ -36,8 +36,8 @@ impl WidthInfo {
     pub(crate) const TAG_A4_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000011100);
     pub(crate) const TAG_A5_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000011101);
     pub(crate) const TAG_A6_END_ZWJ_EMOJI_PRESENTATION: Self = Self(0b0000000000011110);
-    pub(crate) const KIRAT_RAI_VOWEL_SIGN_E: Self = Self(0b0000000000100000);
-    pub(crate) const KIRAT_RAI_VOWEL_SIGN_AI: Self = Self(0b0000000000100001);
+    pub(crate) const KIRAT_RAI_VOWEL_SIGN_E: Self = Self(0b0011110000100000);
+    pub(crate) const KIRAT_RAI_VOWEL_SIGN_AI: Self = Self(0b0011110000100001);
     pub(crate) const VARIATION_SELECTOR_1_2_OR_3: Self = Self(0b0000001000000000);
     pub(crate) const VARIATION_SELECTOR_15: Self = Self(0b0100000000000000);
     pub(crate) const VARIATION_SELECTOR_16: Self = Self(0b1000000000000000);
diff --git a/tests/tests.rs b/tests/tests.rs
index 0f83c65..b55fddd 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -656,6 +656,20 @@ fn test_vs1_vs2_vs3() {
     }
 }
 
+#[test]
+fn test_kirat_rai() {
+    // Per the crate docs, inserting default-ignorable combining marks or ZWJ
+    // anywhere in a script ligature must not change its width.
+    assert_width!("\u{16D68}", 1, 1);
+    assert_width!("\u{16D63}\u{16D67}", 1, 1);
+    assert_width!("\u{16D63}\u{200D}\u{16D67}", 1, 1);
+    assert_width!("\u{16D63}\u{034F}\u{16D67}", 1, 1);
+    assert_width!("\u{16D63}\u{16D68}", 1, 1);
+    assert_width!("\u{16D63}\u{200D}\u{16D68}", 1, 1);
+    assert_width!("\u{16D69}\u{16D67}", 1, 1);
+    assert_width!("\u{16D69}\u{200D}\u{16D67}", 1, 1);
+}
+
 #[test]
 fn test_char_iter() {
     assert_eq!(char_iter_width(['a', 'b', '🔬'].into_iter()), 4)